Volcanic

Nga chart 97521 (6TH ed)

North Pacific · HYDROPAC 221/10

issued
2010-02-03 14:21Z
status
cancelled 2010-02-08 10:58Z (archive)
cancels
HYDROPAC 889/09
authority
NAVAREA XI 62/10 030902Z FEB 10.
position
24.288, 141.480
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH PACIFIC.
NGA CHART 97521 (6TH ED).
1. DISCOLORED WATER WITH SUBMARINE VOLCANIC ACTIVITY
   REPORTED IN 24-17.3N 141-28.8E AT 030527Z FEB.
2. CANCEL HYDROPAC 889/09.

This area · volcanic activity

58 within 180 nm since 1996 · 1 in the last 12 months · 5 in force now

96
00
05
10
15
20
25

Season · when volcanic activity happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

12 volcanic activity in force · see all

Volcanic

Submarine eruptions, discoloured water, pumice rafts. All current volcanic activity

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.